问题:
A . CHAP=2,表示Immediate Assignment on TCH, SDCCH Chosen First
B . 如果CHAP=2,则在立即支配过程中永远不会占用SDCCH
C . 如何为短消息业务,不管CHAP设为1还是2,均不会立即指配到TCH上
D . CHAP=3,表示Immediate Assignment on TCH, TCH Chosen First, GSM Phase 2 Mobiles, "Channel Needed" Supported
● 参考解析
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